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How do I check the difference, in seconds, between two dates?

...es, use total_seconds like this: import datetime as dt a = dt.datetime(2013,12,30,23,59,59) b = dt.datetime(2013,12,31,23,59,59) (b-a).total_seconds() 86400.0 #note that seconds doesn't give you what you want: (b-a).seconds 0 ...
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Detect iPad users using jQuery?

... 317 iPad Detection You should be able to detect an iPad user by taking a look at the userAgent pro...
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Iterating over each line of ls -l output

... Set IFS to newline, like this: IFS=' ' for x in `ls -l $1`; do echo $x; done Put a sub-shell around it if you don't want to set IFS permanently: (IFS=' ' for x in `ls -l $1`; do echo $x; done) Or use while | read instead: ls -l $1 | while read x; do echo $x; done One more ...
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How do I exchange keys with values in a dictionary?

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How to install lxml on Ubuntu

I'm having difficulty installing lxml with easy_install on Ubuntu 11. 11 Answers 11 ...
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Change URL parameters

... 114 I've extended Sujoy's code to make up a function. /** * http://stackoverflow.com/a/10997390/...
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What's the difference between lists and tuples?

... 1032 Apart from tuples being immutable there is also a semantic distinction that should guide thei...
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Check if database exists in PostgreSQL using shell

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How to convert an IPv4 address into a integer in C#?

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SQL Server - Create a copy of a database table and place it in the same database?

... table ABC in a database DB. I want to create copies of ABC with names ABC_1, ABC_2, ABC_3 in the same DB. How can I do that using either Management Studio (preferably) or SQL queries ? ...